Question

find wrong term in the series.,4,15,53,368,3308,36383

Answer 1

4 * 3 - 1 = 11 (here 15)
11 * 5 - 2 = 53
53 * 7 - 3 = 371 - 3 = 368
368 * 9 - 4 = 3312 - 4 = 3308
3308 * 11 - 5 = 36388 - 5 = 36383.

So, the wrong number is 15.
The correct series is 4, 11, 53, 368, 3308, 36383


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